CN221704436U - A side leakage and anti-seepage sealing device - Google Patents

Abstract

The utility model relates to an anti-seepage sealing device for preventing side leakage. It solves the technical problems that water will leak along the edge when the existing anti-seepage device is pressurized. It includes an upper base block fixing device and a lower base block fixing device which are coaxially arranged up and down, an upper annular sealing part is provided on the circumferential outer side of one end of the upper base block fixing device, and a lower annular sealing part is provided on the circumferential outer side of one end of the lower base block fixing device, the upper annular sealing part and the lower annular sealing part are connected by a detachable connection structure, and a sealing rubber ring is provided between the upper base block fixing device and the lower base block fixing device, and the upper and lower ends of the sealing rubber ring have axial sealing structures respectively, and a radial sealing structure is provided on the circumferential inner side of the sealing rubber ring. The advantage is that an axial sealing structure is adopted on the outer side of the sealing rubber ring and a radial sealing structure is adopted on the inner side of the sealing rubber ring, and the upper groove of the upper base block fixing device and the lower groove of the lower base block fixing device are matched to form a closure, which not only prevents the pressurized water from flowing out from the side below, but also protects the base surface of the base block.

Description

A side leakage and anti-seepage sealing device

Technical Field

The utility model belongs to the technical field of anti-seepage testing, and in particular relates to an anti-side leakage anti-seepage sealing device.

Background Art

The anti-seepage performance of concrete is an important indicator for evaluating the quality and durability of concrete, and is also a must-check indicator for each engineering quality inspection station to strictly control the quality of concrete. In the existing anti-seepage device, when pressurizing, the pressurized water will leak upward along the edge of the sealing ring and the side of the base block. The leakage will not only affect the constant pressure but also affect the final judgment result. In order to reduce the risk of leakage at the edge, an anti-side leakage anti-seepage sealing device is proposed.

Summary of the invention

The utility model aims to provide a side leakage and anti-seepage sealing device in view of the above problems.

To achieve the above-mentioned purpose, the utility model adopts the following technical solutions: an anti-side leakage and anti-seepage sealing device, comprising an upper base block fixing device and a lower base block fixing device which are coaxially arranged above and below, an upper annular sealing portion is provided on the circumferential outer side of one end of the upper base block fixing device close to the lower base block fixing device, and a lower annular sealing portion corresponding to the upper annular sealing portion is provided on the circumferential outer side of one end of the lower base block fixing device close to the upper base block fixing device, the upper annular sealing portion and the lower annular sealing portion are connected by a detachable connecting structure, a sealing rubber ring is provided between the upper base block fixing device and the lower base block fixing device, and the upper and lower ends of the sealing rubber ring respectively have axial sealing structures which are sealed with the upper annular sealing portion and the lower annular sealing portion, and the circumferential inner side of the sealing rubber ring is provided with a radial sealing structure extending to the circumferential inner side between the upper base block fixing device and the lower base block fixing device. The axial sealing structure of the sealing rubber ring is arranged inside the upper annular sealing part and the lower annular sealing part, and then the upper annular sealing part and the lower annular sealing part are connected by a detachable connecting structure. The axial sealing structure can reduce the gap between the upper base block fixing device and the lower base block fixing device, and the radial sealing structure can play a certain flow guiding role and reduce the possibility of water leakage to the side.

In the above-mentioned side leakage and anti-seepage sealing device, the upper base block fixing device includes an upper base block fixing cylinder, the upper annular sealing portion is integrally formed on the circumferential outer side of the lower end of the upper base block fixing cylinder, and the lower base block fixing device includes a lower base block fixing cylinder, and the lower annular sealing portion is integrally formed on the circumferential outer side of the upper end of the lower base block fixing cylinder. The test base block is installed in the upper base block fixing cylinder, and water is added from the bottom of the lower base block fixing cylinder during the pressurization test.

In the above-mentioned side leakage and anti-seepage sealing device, the upper base block fixing cylinder and the lower base block fixing cylinder are cylindrical structures with the same diameter, and the upper base block fixing cylinder and the lower base block fixing cylinder are coaxially arranged and internally connected to each other.

In the above-mentioned side leakage and anti-seepage sealing device, the lower end of the upper annular sealing part has an upper annular sealing surface, the upper end of the lower annular sealing part has a lower annular sealing surface corresponding to the upper annular sealing surface, and the upper annular sealing surface and the lower annular sealing surface are arranged against each other. Both the upper annular sealing surface and the lower annular sealing surface are planes, which reduces the possibility of gaps.

In the above-mentioned side leakage and anti-seepage sealing device, the axial sealing structure includes an upper axial sealing component arranged between the upper end of the sealing rubber ring and the upper annular sealing part, and a lower axial sealing component arranged between the lower end of the sealing rubber ring and the lower annular sealing part.

In the above-mentioned side leakage and anti-seepage sealing device, the upper axial sealing component includes an upper edge of the rubber ring formed on the circumference of the upper end of the sealing rubber ring, the lower end of the upper annular sealing part has an upper groove located on the circumferential inner side of the upper annular sealing surface and recessed inwardly, and the upper edge of the rubber ring is inserted into the upper groove, and the lower axial sealing component includes a lower edge of the rubber ring formed on the circumference of the lower end of the sealing rubber ring, the upper end of the lower annular sealing part has a lower groove located on the circumferential inner side of the lower annular sealing surface and recessed inwardly, and the lower edge of the rubber ring is inserted into the lower groove. The upper edge of the rubber ring is set in the upper groove, and the lower edge of the rubber ring is set in the lower groove, and then the upper edge and the lower edge of the rubber ring are deformed by extrusion, and the upper groove and the lower groove are blocked, thereby improving the sealing performance.

In the above-mentioned anti-side leakage and anti-seepage sealing device, the radial sealing structure includes an internal water retaining ring formed on the inner side of the sealing rubber ring in the circumferential direction, the internal water retaining ring is in the shape of a horizontally arranged circular ring and has an inner hole of the water retaining ring on the inner side of the circumference of the internal water retaining ring, and the diameter of the inner hole of the water retaining ring is smaller than the inner diameter of the upper base block fixing cylinder or the lower base block fixing cylinder. The special feature of the sealing rubber ring is that the inner water retaining ring at the middle position is circular and inwardly expanded, the required test base block is loaded into the upper base block fixing device, one end of the test base block is against the internal water retaining ring, and the inner hole of the water retaining ring on the inner side of the internal water retaining ring plays a role of diversion.

In the above-mentioned side leakage and anti-seepage sealing device, the internal water retaining ring and the sealing rubber ring are connected as an integrated structure and are both made of rubber material or silicone material, and the width between the circumferential outer side and the circumferential inner side of the internal water retaining ring is 10-30mm.

In the above-mentioned anti-side leakage and anti-seepage sealing device, the distance between the upper edge of the rubber ring and the upper end face of the internal water retaining ring is not greater than the depth of the upper groove, and the distance between the lower edge of the rubber ring and the lower end face of the internal water retaining ring is not greater than the depth of the lower groove.

In the above-mentioned side leakage and anti-seepage sealing device, the detachable connection structure includes a plurality of upper fixing holes arranged on the circumferential outer side of the upper annular sealing part and located on the circumferential periphery of the upper groove, and the circumferential outer side of the lower annular sealing part is provided with a plurality of lower fixing holes located on the circumferential periphery of the lower groove, and the upper fixing holes and the lower fixing holes correspond to each other and are connected by fixing bolts. The upper base block fixing device and the lower base block fixing device are connected as a whole by fixing bolts, and the pressure brought by the fixing bolts during installation enables the sealing rubber ring to contact the upper annular sealing surface and the lower annular sealing surface well.

Compared with the existing technology, the advantages of the utility model are:

1. The device adopts an axial sealing structure on the outside of the sealing rubber ring, and cooperates with the upper groove of the upper base block fixing device and the lower groove of the lower base block fixing device to form a seal and reduce the possibility of side leakage.

2. The device adopts a radial sealing structure on the inner side of the sealing rubber ring, which plays a certain role in guiding the flow. When pressurized, it can not only prevent the pressurized water from flowing out from the side below, but also protect the base surface of the base block.

BRIEF DESCRIPTION OF THE DRAWINGS

Fig. 1 is a schematic structural diagram of the utility model.

FIG. 2 is an exploded view of the structure of the present invention.

FIG3 is a structural cross-sectional view of the upper base block fixing device of the present invention.

FIG. 4 is a structural cross-sectional view of the sealing rubber ring in the utility model.

FIG5 is a cross-sectional view of the structure of the lower base block fixing device of the utility model.

FIG. 6 is a schematic structural diagram of the upper base block fixing device of the present invention.

In the figure: an upper base block fixing device 1, an upper annular sealing portion 11, an upper base block fixing cylinder 12, an upper annular sealing surface 13, an upper groove 14, a lower base block fixing device 2, a lower annular sealing portion 21, a lower base block fixing cylinder 22, a lower annular sealing surface 23, a lower groove 24, a detachable connecting structure 3, an upper fixing hole 31, a lower fixing hole 32, a sealing rubber ring 4, an axial sealing structure 5, an upper axial sealing assembly 51, a lower axial sealing assembly 52, an upper edge 53 of the rubber ring, a lower edge 54 of the rubber ring, a radial sealing structure 6, an internal water retaining ring 61, and an inner hole 62 of the water retaining ring.

DETAILED DESCRIPTION

The utility model is further described in detail below with reference to the accompanying drawings and specific implementation methods.

As shown in Figures 1-6, an anti-side leakage and anti-seepage sealing device includes an upper base block fixing device 1 and a lower base block fixing device 2 which are coaxially arranged in the upper and lower directions. An upper annular sealing portion 11 is provided on the circumferential outer side of one end of the upper base block fixing device 1 close to the lower base block fixing device 2, and a lower annular sealing portion 21 corresponding to the upper annular sealing portion 11 is provided on the circumferential outer side of one end of the lower base block fixing device 2 close to the upper base block fixing device 1. The upper annular sealing portion 11 and the lower annular sealing portion 21 are connected by a detachable connecting structure 3. A sealing rubber ring 4 is provided between the upper base block fixing device 1 and the lower base block fixing device 2, and the upper and lower ends of the sealing rubber ring 4 respectively have axial sealing structures 5 which are sealed with the upper annular sealing portion 11 and the lower annular sealing portion 21, and the circumferential inner side of the sealing rubber ring 4 is provided with a radial sealing structure 6 which extends to the circumferential inner side between the upper base block fixing device 1 and the lower base block fixing device 2. The axial sealing structure 5 of the sealing rubber ring 4 is arranged inside the upper annular sealing part 11 and the lower annular sealing part 21, and then the upper annular sealing part 11 and the lower annular sealing part 21 are connected through the detachable connecting structure 3. The axial sealing structure 5 can reduce the gap between the upper base block fixing device 1 and the lower base block fixing device 2, and the radial sealing structure 6 can play a certain flow guiding role to reduce the possibility of water leakage to the side.

As shown in Fig. 1, the upper base block fixing device 1 includes an upper base block fixing cylinder 12, and an upper annular sealing portion 11 is integrally formed on the circumferential outer side of the lower end of the upper base block fixing cylinder 12. The lower base block fixing device 2 includes a lower base block fixing cylinder 22, and a lower annular sealing portion 21 is integrally formed on the circumferential outer side of the upper end of the lower base block fixing cylinder 22. The test base block is installed in the upper base block fixing cylinder 12, and water is added from the bottom of the lower base block fixing cylinder 22 during the pressurization test.

As shown in FIG. 2 , the upper base block fixing cylinder 12 and the lower base block fixing cylinder 22 are cylindrical structures with the same diameter, and the upper base block fixing cylinder 12 and the lower base block fixing cylinder 22 are coaxially arranged and internally communicated with each other.

As shown in combination with Figures 2 and 6, the lower end of the upper annular sealing portion 11 has an upper annular sealing surface 13, and the upper end of the lower annular sealing portion 21 has a lower annular sealing surface 23 corresponding to the upper annular sealing surface 13, and the upper annular sealing surface 13 and the lower annular sealing surface 23 are arranged against each other. The upper annular sealing surface 13 and the lower annular sealing surface 23 are both planes, reducing the possibility of gaps.

As shown in FIG. 4 , the axial sealing structure 5 includes an upper axial sealing assembly 51 disposed between the upper end of the sealing rubber ring 4 and the upper annular sealing portion 11 , and a lower axial sealing assembly 52 disposed between the lower end of the sealing rubber ring 4 and the lower annular sealing portion 21 .

As shown in FIG3, FIG4 and FIG5, the upper axial sealing assembly 51 includes an upper edge 53 of the rubber ring formed on the upper end of the sealing rubber ring 4, the lower end of the upper annular sealing portion 11 has an upper groove 14 located on the inner side of the upper annular sealing surface 13 and recessed inwardly, and the upper edge 53 of the rubber ring is inserted into the upper groove 14, and the lower axial sealing assembly 52 includes a lower edge 54 of the rubber ring formed on the lower end of the sealing rubber ring 4, the upper end of the lower annular sealing portion 21 has a lower groove 24 located on the inner side of the lower annular sealing surface 23 and recessed inwardly, and the lower edge 54 of the rubber ring is connected to the lower groove 24. The upper edge 53 of the rubber ring is set in the upper groove 14, and the lower edge 54 of the rubber ring is set in the lower groove 24, and then the upper edge 53 and the lower edge 54 of the rubber ring are deformed by extrusion, and the upper groove 14 and the lower groove 24 are blocked, thereby improving the sealing performance.

As shown in combination with FIG. 1 and FIG. 4 , the radial sealing structure 6 includes an internal water retaining ring 61 formed on the inner side of the sealing rubber ring 4 in the circumferential direction. The internal water retaining ring 61 is in the shape of a horizontally arranged circular ring and has a water retaining ring inner hole 62 on the inner side of the internal water retaining ring 61 in the circumferential direction. The diameter of the water retaining ring inner hole 62 is smaller than the inner diameter of the upper base block fixing cylinder 12 or the lower base block fixing cylinder 22. The special feature of the sealing rubber ring 4 is that the internal water retaining ring 61 in the middle position is circular and inwardly expanded. The required test base block is loaded into the upper base block fixing device 1, and one end of the test base block is against the internal water retaining ring 61. The water retaining ring inner hole 62 on the inner side of the internal water retaining ring 61 plays a role of diversion.

The inner water retaining ring 61 and the sealing rubber ring 4 are connected as an integral structure and are both made of rubber material or silicone material. The width between the circumferential outer side and the circumferential inner side of the inner water retaining ring 61 is 10-30 mm, preferably 20 mm.

Specifically, the distance between the upper edge 53 of the rubber ring and the upper end surface of the inner water retaining ring 61 is not greater than the depth of the upper groove 14 , and the distance between the lower edge 54 of the rubber ring and the lower end surface of the inner water retaining ring 61 is not greater than the depth of the lower groove 24 .

As shown in FIG2 , the detachable connection structure 3 includes a plurality of upper fixing holes 31 arranged on the circumferential outer side of the upper annular sealing portion 11 and located on the circumferential periphery of the upper groove 14, and a plurality of lower fixing holes 32 arranged on the circumferential outer side of the lower annular sealing portion 21 and located on the circumferential periphery of the lower groove 24. The upper fixing holes 31 and the lower fixing holes 32 correspond to each other and are connected by fixing bolts. The upper base block fixing device 1 and the lower base block fixing device 2 are connected as a whole by fixing bolts. The pressure brought by the fixing bolts during installation enables the sealing rubber ring 4 to contact the upper annular sealing surface 13 and the lower annular sealing surface 23 well.

The principle of this embodiment is:

Before the test, the upper edge 53 of the sealing rubber ring 4 is first installed in the upper groove 14 of the upper annular sealing part 11, and then the lower edge 54 of the sealing rubber ring 4 is installed in the lower groove 24 of the lower annular sealing part 21, the upper annular sealing surface 13 and the lower annular sealing surface 23 are in contact with each other, and then the upper fixing block 31 and the lower fixing hole 32 are connected by fixing bolts, and the sealing rubber ring 4 is squeezed at the same time, so that the upper base block fixing device 1 and the lower base block fixing device 2 are connected as a whole; after installation, the pressure brought by the fixing bolts makes the sealing rubber ring 4 contact the upper annular sealing surface 13 and the lower annular sealing surface 23 well. When pressurizing, pressurized water is sprayed from the lower water outlet for anti-seepage test. Due to the existence of the internal water retaining ring 61 of the sealing rubber ring 4, the effect of its sealing connection can effectively prevent water from leaking from the side edges, thereby increasing the test efficiency and experimental accuracy.

The specific embodiments described herein are merely examples of the spirit of the present invention. A person skilled in the art of the present invention may make various modifications or additions to the specific embodiments described or replace them in a similar manner, but this will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

Although the present invention uses more terms such as upper base block fixing device 1, upper annular sealing portion 11, upper base block fixing cylinder 12, upper annular sealing surface 13, upper groove 14, lower base block fixing device 2, lower annular sealing portion 21, lower base block fixing cylinder 22, lower annular sealing surface 23, lower groove 24, detachable connection structure 3, upper fixing hole 31, lower fixing hole 32, sealing rubber ring 4, axial sealing structure 5, upper axial sealing component 51, lower axial sealing component 52, rubber ring upper edge 53, rubber ring lower edge 54, radial sealing structure 6, internal water retaining ring 61, water retaining ring inner hole 62, etc., the possibility of using other terms is not excluded. The use of these terms is only for more convenient description and explanation of the essence of the utility model; interpreting them as any additional restrictions is contrary to the spirit of the utility model.

Claims (10)

1. The utility model provides an impervious sealing device of side seepage prevention, includes upper base block fixing device (1) and lower base block fixing device (2) of upper and lower coaxial setting, a serial communication port, upper base block fixing device (1) be close to one end circumference outside of lower base block fixing device (2) and be equipped with annular sealing portion (11) on, just lower base block fixing device (2) be close to one end circumference outside of upper base block fixing device (1) be equipped with annular sealing portion (11) corresponding lower annular sealing portion (21), upper annular sealing portion (11) and lower annular sealing portion (21) link to each other through detachable connection structure (3), upper base block fixing device (1) and lower base block fixing device (2) between be equipped with sealing rubber ring (4), just sealing rubber ring (4) upper and lower both ends have respectively with upper annular sealing portion (11) and lower annular sealing portion (21) each other seal axial seal structure (5) that sets up, just sealing rubber ring (4) circumference inboard side be equipped with extend to radial seal structure between upper base block fixing device (1) and lower base block fixing device (2) circumference between.

2. The side leakage prevention and permeation prevention sealing device according to claim 1, wherein the upper base block fixing device (1) comprises an upper base block fixing cylinder body (12), the upper annular sealing part (11) is integrally formed on the lower end circumference outer side of the upper base block fixing cylinder body (12), the lower base block fixing device (2) comprises a lower base block fixing cylinder body (22), and the lower annular sealing part (21) is integrally formed on the upper end circumference outer side of the lower base block fixing cylinder body (22).

3. The side leakage prevention and permeation prevention sealing device according to claim 2, wherein the upper base block fixing cylinder (12) and the lower base block fixing cylinder (22) are of cylindrical structures with the same diameter, and the upper base block fixing cylinder (12) and the lower base block fixing cylinder (22) are coaxially arranged and are communicated with each other internally.

4. A side leakage prevention and permeation prevention seal according to claim 2 or 3, wherein said upper annular seal portion (11) has an upper annular seal surface (13) at a lower end thereof, said lower annular seal portion (21) has a lower annular seal surface (23) corresponding to said upper annular seal surface (13), and said upper annular seal surface (13) and said lower annular seal surface (23) are disposed against each other.

5. A side leakage and permeation resistant seal according to claim 4, wherein said axial seal structure (5) comprises an upper axial seal assembly (51) disposed between an upper end of said packing cup (4) and said upper annular seal portion (11) and a lower axial seal assembly (52) disposed between a lower end of said packing cup (4) and said lower annular seal portion (21).

6. The side leakage prevention and permeation prevention sealing device according to claim 5, wherein said upper axial sealing component (51) comprises a rubber ring upper edge (53) formed at the circumference of the upper end of the sealing rubber ring (4), said upper annular sealing portion (11) has an upper groove (14) formed at the circumference inner side of the upper annular sealing surface (13) and concavely formed inwards, said rubber ring upper edge (53) is inserted into said upper groove (14), said lower axial sealing component (52) comprises a rubber ring lower edge (54) formed at the circumference of the lower end of the sealing rubber ring (4), said lower annular sealing portion (21) has a lower groove (24) formed at the circumference inner side of the lower annular sealing surface (23) and concavely formed inwards, and said rubber ring lower edge (54) is connected into said lower groove (24).

7. The side leakage prevention and permeation prevention sealing device according to claim 6, wherein the radial sealing structure (6) comprises an inner water blocking ring (61) formed on the inner circumferential side of the sealing rubber ring (4), the inner water blocking ring (61) is in a ring shape horizontally arranged, a water blocking ring inner hole (62) is formed on the inner circumferential side of the inner water blocking ring (61), and the diameter of the water blocking ring inner hole (62) is smaller than the inner diameter of the upper base block fixing cylinder (12) or the lower base block fixing cylinder (22).

8. The side leakage prevention and permeation resistant sealing device according to claim 7, wherein said inner water blocking ring (61) and said sealing rubber ring (4) are integrally formed and made of rubber material or silicone material, and a width between a circumferential outer side and a circumferential inner side of said inner water blocking ring (61) is 10-30mm.

9. The side leakage prevention and permeation resistant sealing device according to claim 7, wherein a distance between an upper edge (53) of said rubber ring and an upper end surface of said inner water stop ring (61) is not greater than a depth of said upper groove (14), and a distance between a lower edge (54) of said rubber ring and a lower end surface of said inner water stop ring (61) is not greater than a depth of said lower groove (24).

10. The side leakage prevention and permeation prevention sealing device according to claim 6, wherein the detachable connection structure (3) comprises a plurality of upper fixing holes (31) which are arranged on the circumferential outer side of the upper annular sealing part (11) and are positioned on the circumferential periphery of the upper groove (14), a plurality of lower fixing holes (32) which are positioned on the circumferential outer side of the lower groove (24) are arranged on the circumferential outer side of the lower annular sealing part (21), and the upper fixing holes (31) and the lower fixing holes (32) are in one-to-one correspondence and are connected through fixing bolts.